An active day is when any amount of data is received from that station.
| Identifier | Jul 08 | Aug 08 | Sep 08 | Oct 08 | Nov 08 | Dec 08 | Jan 09 | Feb 09 | Mar 09 | Apr 09 | May 09 | Jun 09 | Jul 09 | Aug 09 | Sep 09 | Oct 09 | Nov 09 | Dec 09 | Jan 10 | Feb 10 | Mar 10 | Apr 10 | May 10 | Jun 10 |
| CW1120 | 31 | 31 | 29 | 31 | 30 | 31 | 30 | 27 | 30 | 30 | 31 | 30 | 30 | 31 | 29 | 31 | 30 | 30 | 31 | 28 | 31 | 29 | 31 | 30 |
| CW1172 | 29 | 31 | 25 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 |
| CW3685 | 31 | 31 | 27 | 28 | 22 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 26 | 28 | 31 | 21 | 31 | 30 |
| CW4006 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 29 | 30 | 31 | 30 | 28 | 31 | 28 | 28 | 30 | 31 | 27 |
| CW4674 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| CW4795 | 29 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 24 | 31 | 30 | 31 | 30 | 29 | 31 | 28 | 31 | 29 | 21 | 4 |
| CW5586 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 21 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| CW5735 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| CW6424 | 26 | 13 | 30 | 31 | 23 | 31 | 31 | 20 | 18 | 12 | 26 | 29 | 14 | 29 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 24 | 31 | 30 |
| CW7138 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 25 | 29 | 20 | 15 | 25 | 28 | 11 | 23 | 26 | 20 | 17 |
| CW7352 | 31 | 31 | 30 | 28 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| CW7747 | 31 | 27 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 17 | 30 | 30 | 30 | 29 | 31 | 28 | 31 | 30 | 31 | 30 |
| CW7849 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| CW8035 | 31 | 31 | 30 | 23 | 30 | 31 | 28 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 30 | 28 | 31 | 30 | 31 | 30 |
| CW8398 | 31 | 31 | 30 | 31 | 28 | 31 | 31 | 26 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| DW0142 | 31 | 29 | 26 | 28 | 13 | 28 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 24 | 30 | 31 | 31 | 28 | 30 | 30 | 31 | 30 |
| DW0534 | 25 | 15 | 27 | 22 | 30 | 28 | 31 | 28 | 30 | 30 | 31 | 21 | 31 | 14 | 25 | 12 | 26 | 31 | 31 | 28 | 31 | 30 | 31 | 28 |
| DW0796 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| DW1002 | 7 | 31 | 13 | 25 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 31 | 11 | 2 | 0 | 0 | 0 | 0 |
| DW1101 | 0 | 22 | 30 | 31 | 29 | 31 | 31 | 28 | 14 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW1449 | 0 | 0 | 0 | 31 | 30 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| DW1712 | 0 | 0 | 0 | 0 | 15 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 29 | 30 | 28 | 30 | 26 | 27 | 10 | 0 | 21 | 31 | 12 |
| DW2023 | 0 | 0 | 0 | 0 | 0 | 2 | 31 | 28 | 31 | 30 | 29 | 29 | 30 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| DW2098 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 28 | 6 | 0 | 19 | 30 | 16 | 29 | 27 | 30 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 16 |
| DW2391 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 31 | 30 | 31 | 23 | 26 | 18 | 11 | 16 | 30 | 19 | 0 | 10 | 9 | 0 | 0 | 0 |
| DW2654 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 21 | 27 | 26 | 17 | 18 | 20 | 8 | 12 | 11 | 16 | 13 | 16 | 10 | 4 |
| DW2794 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| DW2872 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 28 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
| DW3125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 26 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 31 | 30 |
| DW3173 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 31 | 26 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW3631 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 12 | 0 | 0 | 0 | 3 | 9 | 0 | 0 |
| DW4239 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 19 | 0 | 0 |
| DW4983 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 16 | 9 |
| SM0HXB | 31 | 28 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SM2GSR-2 | 0 | 0 | 0 | 0 | 3 | 31 | 31 | 28 | 31 | 29 | 31 | 25 | 29 | 31 | 28 | 31 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 30 |
| SM2JQV | 31 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| SM4WDQ | 0 | 26 | 30 | 31 | 30 | 31 | 31 | 28 | 30 | 30 | 31 | 19 | 30 | 31 | 30 | 31 | 30 | 31 | 31 | 16 | 14 | 0 | 0 | 0 |
| SM5EZN-5 | 13 | 13 | 18 | 28 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 7 | 14 | 19 |
| SM7GXQ | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 |
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